it had long been a dream of mine to travel to the west lakeit had long been a dream这种语法结构我不理解.我只会写i had a dream to bla bla请帮我解释一下这种语法结构

it had been a long time ,since sb was a girl.这个过去完成式,had been It's been so long since I had been a teacher.请问这句好如何翻译? It's been a long it's been a long I was glad when I finally received the book I ( ).A.had long expected B.was long expected C.has long expected D.had long been expected I beilieve Zoe will pass the exam,she ( ) for it for such a long time C 还是D 不懂啊A is preparing B was preparing C had been preparing D has been preparing it had been long before Iwent to school对吧? How long ________ he ________ London before he came here?A.has;gone to B.had;gone to C.had;been in D.had;been to ( )31.He said he had been to Hong Kong ____ and he would go there _____ once again.A.long before,before long B.before long,long beforeC.long ago,before long D.long before,long before I would have tole him the answer had it been possible ,but i simply ___ no time A.had,hadB.had been C.had D.would have had ______ for your advice,I would have been taken in.选项:a、Had it not been b、 Had it notc、 It had not been d、 Not had it been it had long been a dream of mine to travel to the west lakeit had long been a dream这种语法结构我不理解.我只会写i had a dream to bla bla请帮我解释一下这种语法结构 When he got to the station, the train _________ for a long time.A. had been away B. had left C. has been away D. has left When the dolpin ( ) by sea ,it ( ) A discovered had killed B was discovered had been killedC discovered had been killed D was discovered had killed 为什么? The necklace ______ unnoticed for several days before I found it.A.had laid B.had lain C.had been laying D.had been laid You couldn't have had all your work done ______ .A.if it was not for me B.if had it been for us C.it had not been for me D.had it not been for me ( ) 5.---- How long _________ at the job?---- Since 1990.A.were you employed B.have you been employedC.had you been employed D.will you been employed And to top everything off,she'd bought some chocolate-covered cheesecake from a local shop.She had wondered how long it had been since Vincent had eaten a meal that didn't involve microwaving or pimply-faced delivery boys,and she didn't have long to